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Structure Control of Bioactive Titanate Nanomesh Layers Fabricated on Laser Irradiated Ti-based Bulk Metallic Glass using Hydrothermal-Electrochemical Method

Published online by Cambridge University Press:  28 March 2011

Sayaka Maruyama ,
Naota Sugiyama ,
Masahiro Yoshimura ,
Togo Shinonaga ,
Masahiro Tsukamoto ,
Nobuyuki Abe ,
Takeshi Wada ,
Xinmin Wang ,
Akihisa Inoue  and
Kiyoshi Okada
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Sayaka Maruyama
Affiliation:
Materials and Structures Laboratory, Tokyo Institute of Technology, Yokohama, Kanagawa, Japan
Naota Sugiyama
Affiliation:
Materials and Structures Laboratory, Tokyo Institute of Technology, Yokohama, Kanagawa, Japan
Masahiro Yoshimura
Affiliation:
Materials Science and Engineering, National Cheng Kung University, Tainan, Taiwan
Togo Shinonaga
Affiliation:
Joining and Welding Research Institute, Osaka University, baraki, Osaka, Japan
Masahiro Tsukamoto
Affiliation:
Joining and Welding Research Institute, Osaka University, baraki, Osaka, Japan
Nobuyuki Abe
Affiliation:
Joining and Welding Research Institute, Osaka University, baraki, Osaka, Japan
Takeshi Wada
Affiliation:
Institute of Materials Research, Tohoku University, Miyagi, Japan
Xinmin Wang
Affiliation:
Institute of Materials Research, Tohoku University, Miyagi, Japan
Akihisa Inoue
Affiliation:
Institute of Materials Research, Tohoku University, Miyagi, Japan
Kiyoshi Okada
Affiliation:
Materials and Structures Laboratory, Tokyo Institute of Technology, Yokohama, Kanagawa, Japan
Nobuhiro Matsushita
Affiliation:
Materials and Structures Laboratory, Tokyo Institute of Technology, Yokohama, Kanagawa, Japan
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Abstract

The surface of Ti-based bulk metallic glass (BMG) was irradiated by the femto-second laser and microgrooves were formed on the surface. The titanate nanomesh layers were fabricated on the micro-grooved BMG surface by hydrothermal-electrochemical (H-E) treatment changing the conditions of the concentration of electrolyte solution (0 and 5 M) and applying current density (0-200 mA/cm2). The bone-inducing capacity of the samples with different H-E treatment was confirmed by soaking them in a simulated body fluid for 12 days. The H-E treatment in higher concentration 5 M NaOH aq. and applying higher current density above 0.5 mA/cm2 exhibited excellent bioactivity inducing large hydroxyapatite crystallites.

Keywords

electrochemical synthesishydrothermalnanostructure
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1316: Symposium QQ – Nanofunctional Materials, Nanostructures and Nanodevices for Biomedical Applications II , 2011 , mrsf10-1316-qq06-17
Copyright
Copyright © Materials Research Society 2011

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References

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